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Class Information
Number: 75/624
Name: Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures > Processes > Producing or treating free metal > At 300 degrees c or greater (e.g., pyrometallurgy, etc.) > Nonferrous > Manganese(mn)
Description: Process in which Manganese (Mn) is produced or a metal that contains over 50 percent by weight Manganese is treated.

Sub-classes under this class:

Class Number Class Name Patents
75/625 Reduction 17

Patents under this class:

Patent Number Title Of Patent Date Issued
6458182 Process for producing high-purity Mn materials Oct. 1, 2002
5735933 Method for processing metallic waste Apr. 7, 1998
5462579 Method and apparatus for manufacturing medium or low carbon ferromanganese Oct. 31, 1995
5358548 Condensation of metal vapors in a fluidized bed and apparatus Oct. 25, 1994
4752327 Dephosphorization process for manganese alloys Jun. 21, 1988
4684403 Dephosphorization process for manganese-containing alloys Aug. 4, 1987
4416692 Process for extracting gold, silver, platinum, lead, or manganese metals from ore Nov. 22, 1983
4354868 Process for the desiliconization of manganese alloys Oct. 19, 1982
4274871 Method of obtaining manganese alloys with a medium carbon content Jun. 23, 1981
4161399 Method for electroslag remelting of a manganese-copper-nickel alloy Jul. 17, 1979
4139370 Method of refining ferro-alloys Feb. 13, 1979
4130417 Process for refining high-carbon ferro-alloys Dec. 19, 1978

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